December weather forecast and climate
Ithaca, NY

A stream of water flowing downstream from the Taughannock Waterfall in Ithaka, New York
A stream of water flowing downstream from the Taughannock Waterfall in Ithaka, New York

What is the temperature in December in Ithaca?

The average high-temperature, in December, is 35.2°F (1.8°C), while the average low-temperature is 21°F (-6.1°C).

How much does it rain in Ithaca in December?

In December, in Ithaca, New York, the rain falls for 15 days. Throughout December, 2.4" (61.2mm) of precipitation is accumulated.

How much does it snow in Ithaca in December?

During December, Ithaca regularly aggregates up to 13.2" (335.3mm) of snow.
Average temperature in December - Ithaca, NY
  • Average high temperature in December: 35.3°F

The warmest month (with the highest average high temperature) is July (80.9°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in December: 21°F

The month with the highest average low temperature is July (58.4°F).
The coldest month (with the lowest average low temperature) is February (15.2°F).

Average rainfall in December - Ithaca, NY
  • Average rainfall in December: 2.4"

Wettest months (with the highest rainfall) are June and July (3.6").
The driest month (with the lowest rainfall) is February (1.9").

Average rainfall days in December - Ithaca, NY
  • Average rainfall days in December: 15 days

Months with the highest number of rainy days are January and December (15 days).
Months with the lowest number of rainy days are August and September (11 days).

Average snowfall in December - Ithaca, NY
  • Average snowfall in December: 13.2"

The month with the highest snowfall is January (15.5").
Months with the lowest snowfall are June, July, August and September (0").

Average daylight in December / Average sunshine in December - Ithaca, NY
  • Average daylight in December: 9.1h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.1h).

  • Average sunshine in December: 3h

The month with most sunshine is July (Average sunshine: 10h).
Months with least sunshine are November and December (Average sunshine: 3).

Average UV index in December - Ithaca, NY
  • Average UV index in December: 1

Months with the highest UV index are June, July and August (UV index 8).
Months with the lowest UV index are January and December (UV index 1).

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